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On Tuesday, General Motors' new chief executive appeared before U.S Congress to explain why the automaker took 10 years to recall cars with a faulty GM ignition switch linked to 13 traffic deaths.

But General Motors is not the only car company dealing with big recalls in recent years. CBC's Havard Gould reports that vehicles today are loaded with complicated hi-tech systems to control everything from speed to emissions to air bag deployment, meaning there's more opportunity for things not to work perfectly.